https://www.makeitfrom.com/compare/SAE-AISI-4140-SCM440-G41400-Cr-Mo-Steel/SAE-AISI-P20-T51620-Low-Carbon-Mould-Steel


-----Original Message-----
From: John Dammeyer <jo...@autoartisans.com> 
Sent: January 5, 2021 5:57 PM
To: 'Enhanced Machine Controller (EMC)' <emc-users@lists.sourceforge.net>
Subject: Re: [Emc-users] I wonder if I can fix it?

> > After heat treating it would probably require some grinding or polishing 
> > unless you can cover it in a way that it won't oxidize.
> 
> I am wondering about using something like P20.
> 
> 
What is P20?
John

> --
> atp
> "A motorcycle is a bicycle with a pandemonium attachment and is 
> designed for the especial use of mechanical geniuses, daredevils and 
> lunatics."
>   George Fitch, Atlanta Constitution Newspaper, 1912
> 
> 
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> Emc-users mailing list
> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users



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